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Debian: CVE-2019-11744: firefox-esr, thunderbird -- security update

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Debian: CVE-2019-11744: firefox-esr, thunderbird -- security update

Severity
4
CVSS
(AV:N/AC:M/Au:N/C:N/I:P/A:N)
Published
09/09/2019
Created
09/09/2019
Added
09/09/2019
Modified
02/10/2020

Description

Some HTML elements, such as &lt;title&gt; and &lt;textarea&gt;, can contain literal angle brackets without treating them as markup. It is possible to pass a literal closing tag to .innerHTML on these elements, and subsequent content after that will be parsed as if it were outside the tag. This can lead to XSS if a site does not filter user input as strictly for these elements as it does for other elements. This vulnerability affects Firefox < 69, Thunderbird < 68.1, Thunderbird < 60.9, Firefox ESR < 60.9, and Firefox ESR < 68.1.

Solution(s)

  • debian-upgrade-firefox-esr
  • debian-upgrade-thunderbird

References

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